Many people do not realize the importance of health___they have fallen ill. A. until B.while C.when
—Could I borrow your camera(照相机)? —______, but please give it back by Saturday.
I won’t go to the party tomorrow ______ Lin Tao invites me.
Jack ______ live with his grandparents, but he doesn’t now.
—Do you know if they ______ to play football with us tomorrow? —I think they will come if they ______ free.
—Why don’t we go to Lao She Teahouse today? —.